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cveMitreCVE-2016-2564
HistoryApr 23, 2017 - 3:59 p.m.

CVE-2016-2564

2017-04-2315:59:00
CWE-331
mitre
web.nvd.nist.gov
20
cve-2016-2564
invision power services
ips community suite
session hijack
php uniqid
more_entropy
nvd

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

AI Score

5.8

Confidence

High

EPSS

0.002

Percentile

55.2%

Invision Power Services (IPS) Community Suite before 4.1.9 makes session hijack easier by relying on the PHP uniqid function without the more_entropy flag. Attackers can guess an Invision Power Board session cookie if they can predict the exact time of cookie generation.

Affected configurations

Nvd
Node
invisioncommunityinvision_power_boardRange4.1.8.1
VendorProductVersionCPE
invisioncommunityinvision_power_board*cpe:2.3:a:invisioncommunity:invision_power_board:*:*:*:*:*:*:*:*

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

AI Score

5.8

Confidence

High

EPSS

0.002

Percentile

55.2%

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